*{
    margin: 0;
    padding: 0;
}
.back img{
    width: 1899px;
    height: 2400px;
}
.zh1{
    width: 40px;
    height: 40px;
    position: absolute;
    margin-top: -2377px;
    margin-left: 200px;
}
.zh1 img{
    width: 40px;
    height: 40px;
}
.kuangjia{
    width: 890px;
    height: 2217px;
    background-color:rgb(255, 254, 254,.4);
    margin-left: 526px;
    margin-top: -2386px;
    position: absolute;
    border: 4px solid rgb(54, 164, 172);
    border-radius: 10px;
    box-shadow: 0 0 15px rgb(240, 217, 158);
}
.title{
    width: 440px;
    height: 80px;
    margin-right: auto;
    margin-left: auto;
    margin-top: 20px;
    letter-spacing: 22px;
    font-size: 50px;
    font-weight: bold;
    color: rgb(120, 186, 240);
    text-align: center;
}
.jz{
    width: 857px;
    height: 600px;
    margin-right: auto;
    margin-left: auto;
    background-color: rgb(241, 238, 238,.5);
    margin-top: 10px;
    border-bottom:3px solid rgb(1, 151, 151,.4);
    box-shadow: 0 0 15px rgb(236, 214, 158);
}
.j1{
    width: 500px;
    height: 70px;
    font-weight: bold;
    position: absolute;
    font-size: 34px;
    letter-spacing:17px;
    margin-top: 10px; 
    margin-left: 10px;
}
.j1 a{
    text-decoration: none;
    color: black;
    margin-left: -29px;
}
.j1 span{
    font-size: 34px;
}
.j2{
    width: 280px;
    height: 392px;
    position: absolute;
    margin-top: 163px;
    margin-left:6px ;
    box-shadow: 0 0 15px pink;
    transition: all 2s;
}
.j2:hover{
    transform: translateY(-30px);
    box-shadow: 0 0 5px 4px #777;
}
.j2 img{
    width: 280px;
    height: 392px;
}
.j3{
    width: 280px;
    height: 392px;
    position: absolute;
    margin-top: 163px;
    margin-left:289px ;
    box-shadow: 0 0 15px pink;
    transition: all 2s;
}
.j3:hover{
    transform: translateY(-30px);
    box-shadow: 0 0 5px 4px #777;
}
.j3 img{
    width: 280px;
    height: 392px;
}
.j4{
    width: 280px;
    height: 392px;
    position: absolute;
    margin-top: 163px;
    margin-left:572px ;
    box-shadow: 0 0 15px pink;
    transition: all 2s;
}
.j4:hover{
    transform: translateY(-30px);
    box-shadow: 0 0 5px 4px #777;
}
.j4 img{
    width: 280px;
    height: 392px;
}
.qd{
    width: 857px;
    height: 600px;
    margin-right: auto;
    margin-left: auto;
    background-color: rgb(241, 238, 238,.5);
    margin-top: 10px;
    border-bottom:3px solid rgb(1, 151, 151,.4);
    box-shadow: 0 0 15px rgb(236, 214, 158);
}
.q1{
    width: 500px;
    height: 70px;
    font-weight: bold;
    position: absolute;
    font-size: 34px;
    letter-spacing:17px;
    margin-top: 10px; 
    margin-left: 10px;
}
.q1 a{
    text-decoration: none;
    color: black;
    margin-left: -29px;
}
.q1 span{
    font-size: 34px;
}
.q2{
    width: 500px;
    height: 70px;
    font-weight: bold;
    position: absolute;
    font-size: 34px;
    letter-spacing:17px;
    margin-top: 70px; 
    margin-left: 10px;
}
.q2 p{
    font-size: 28px;
}
.q2 p:hover{
    cursor: pointer;
    color: teal;
}
.q3{
    width: 500px;
    height: 357px;
    font-weight: bold;
    position: absolute;
    background-color: teal;
    margin-top: 230px; 
    margin-left: 160px;
    overflow: hidden;
    border-radius: 10px;
    box-shadow: 0 0 15px pink;
}
.q3 img{
    width: 500px;
    height: 357px;
    transition: all 2s;
}
.q3 img:hover{
    transform: scale(1.2);
}
.lyb{
    width: 857px;
    height: 600px;
    margin-right: auto;
    margin-left: auto;
    background-color: rgb(241, 238, 238,.5);
    margin-top: 10px;
    overflow: hidden;
    border-bottom:3px solid rgb(1, 151, 151,.4);
    box-shadow: 0 0 15px rgb(236, 214, 158);
}
.b{
    width: 800px;
    height: 540px;
    position: absolute;
    margin-top:27px ;
    margin-left: 28px;
    background-color: rgb(240, 213, 162,.8);
    border: none;
    border-radius: 10px;
}
input{
    position: absolute;
    width: 700px;
    margin-left:36px;
    margin-top: 42px;
    background-color: rgb(240, 213, 162,.8);
    padding: 0;
    border: none;
    outline: none;
    height: 46px;    
}
.input{
    padding-left: 46px;
}
.huadong{
    width:60px;
    height: 60px;
    position: fixed;
    text-align: center;
    border-radius:18px ;
    right: 30px;
    bottom: 20px;
    background-color:rgb(141, 140, 140,.3);
     /* 隐藏，透明 :opacity: 0;/visibility*/
     opacity: 0;
}
.icon-zhiding{
    color:black;
    display: inline-block;
    margin-top: 15px;
}
.icon-zhiding:hover{
    cursor: pointer;
    color: rgb(185, 247, 247);
}
.huadong span{
    font-size: 30px;
}